Investigate constructible images which contain rational areas.
Read all about electromagnetism in our interactive article.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Get further into power series using the fascinating Bessel's equation.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Explore the properties of this different sort of differential
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Look at the advanced way of viewing sin and cos through their power series.
Given the equation for the path followed by the back wheel of a
bike, can you solve to find the equation followed by the front
Two polygons fit together so that the exterior angle at each end of
their shared side is 81 degrees. If both shapes now have to be
regular could the angle still be 81 degrees?
How much energy has gone into warming the planet?
By exploring the concept of scale invariance, find the probability
that a random piece of real data begins with a 1.
Build up the concept of the Taylor series
Explore the power of aeroplanes, spaceships and horses.
An introduction to a useful tool to check the validity of an equation.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Formulate and investigate a simple mathematical model for the design of a table mat.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Get some practice using big and small numbers in chemistry.
Dip your toe into the fascinating topic of genetics. From Mendel's
theories to some cutting edge experimental techniques, this article
gives an insight into some of the processes underlying. . . .
Ever wondered what it would be like to vaporise a diamond? Find out
Looking at small values of functions. Motivating the existence of
the Taylor expansion.
Work out the numerical values for these physical quantities.
How fast would you have to throw a ball upwards so that it would
When is a knot invertible ?
This article (the first of two) contains ideas for investigations.
Space-time, the curvature of space and topology are introduced with
some fascinating problems to explore.
All types of mathematical problems serve a useful purpose in
mathematics teaching, but different types of problem will achieve
different learning objectives. In generalmore open-ended problems
have. . . .
How much peel does an apple have?
What's the chance of a pair of lists of numbers having sample
correlation exactly equal to zero?
Can you find some Pythagorean Triples where the two smaller numbers differ by 1?
We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?
Explore the properties of combinations of trig functions in this open investigation.
Some of our more advanced investigations
Fancy learning a bit more about rates of reaction, but don't know
where to look? Come inside and find out more...
Two perpendicular lines lie across each other and the end points
are joined to form a quadrilateral. Eight ratios are defined, three
are given but five need to be found.
Can you deduce why common salt isn't NaCl_2?
Unearth the beautiful mathematics of symmetry whilst investigating
the properties of crystal lattices
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
A simplified account of special relativity and the twins paradox.
Where should runners start the 200m race so that they have all run the same distance by the finish?
Read about the mathematics behind the measuring devices used in
Investigate x to the power n plus 1 over x to the power n when x
plus 1 over x equals 1.
Which parts of these framework bridges are in tension and which parts are in compression?
Is it really greener to go on the bus, or to buy local?
Is the age of this very old man statistically believable?
We all know that smoking poses a long term health risk and has the
potential to cause cancer. But what actually happens when you light
up a cigarette, place it to your mouth, take a tidal breath. . . .
Draw three equal line segments in a unit circle to divide the
circle into four parts of equal area.
An article demonstrating mathematically how various physical
modelling assumptions affect the solution to the seemingly simple
problem of the projectile.
Have you got the Mach knack? Discover the mathematics behind
exceeding the sound barrier.
There has been a murder on the Stevenson estate. Use your
analytical chemistry skills to assess the crime scene and identify
the cause of death...